this, a strain of hiv to save her life. dr. sanjay gupta joins me ahead to explain. well, if it isn't mr. margin. mr. margin? don't be modest, bob. you found a better way to pack a bowling ball. that was ups. and who called ups? you did, bob. i just asked a question. it takes a long time to pack a bowling ball. the last guy pitched more ball packers. but you... you consulted ups. you found a better way. that's logistics. that's margin. find out what else ups knows. i'll do that. you're on a roll. that's funny. i wasn't being funny, bob. i know. he loves risk. but whether he's climbing everest, scuba diving the great barrier reef with sharks, or jumping into the market, he goes with people he trusts, which is why he trades with a company that doesn't nickel and dime him with hidden fees. so he can worry about other things, like what the market is doing and being ready, no matter what happens, which isn't rocket science. it's just common sense, from td ameritrade. >>> hey, tonight, some really fascinating medical news to tell